Branches of Chemistry
A scientist is working in the lab with compounds containing carbon. Which field of chemistry is she most likely working in?
Organic Chemistry
An __________ is the smallest unit of matter that retains the properties of that matter.
Atom
Is water classified as a mixture or pure substance?
Pure substance
Paper burning is an example of a physical change of matter. True or False.
False
The horizontal rows of the periodic table are called__________.
Periods
Which branch of chemistry is associated with determining the chemical composition of a new substance?
Analytical Chemistry
An _________ is a pure substance made up of only one kind of atom.
Element
Which type of mixture is uniform in composition?
Homogeneous
Volume is an example of which type of property? Extensive or Intensive?
Extensive
Which group of elements are generally unreactive?
Nobel gases
Which field of chemistry is a scientist is working with mathematical and computer models to learn about principles at work in a chemical reaction working in?
Theoretical Chemistry
Research that is carried out for the sake of increasing knowledge is considered to be __________.
Basic Research
Homogeneous mixtures are also called__________.
Solutions
True
Phosphorous is an example of what type of element?
Nonmetal
A scientist that is working to improve a product that uses fiber optics is an example of which two types of research?
Applied and Technological Development
Which state of matter is composed of atoms that have lost many of their electrons?
Plasma
One way to separate the different kinds of matter in a mixture is through filtration. True or false?
True
Combining baking soda with vinegar is an example of which type of change?
Chemical
The state of matter is helpful in determining whether a substance is a metal or a nonmetal. True or false?
False
A scientist finding a safer chemical industrial purposes, is working with chemicals that do not cause damage to the ozone is an example of which type of research?
Applied
This type of mixture is not uniform throughout.
Heterogeneous
If a substance can be separated by physical processes, it falls under which classification of matter?
Mixture
A ___________ property relates to a substance’s ability to undergo changes that transform it into different substances.
Chemical
These types of elements are poor conductors of heat.
Nonmetals